for 循环

R 金融中级

Lore Dirick

Manager of Data Science Curriculum at Flatiron School

for 循环

one_to_five <- 1:5
one_to_five

1 2 3 4 5

for(number in one_to_five) {
  print(number)
}

遍历列表

stock_list <- list(stock_name = "Apple", ticker = "AAPL", 
                     price = 126.5, good_deal = TRUE)

for(i in stock_list) {
  print(class(i))
}

"character"
"character"
"numeric"
"logical"

开始练习！

R 金融中级